13238428

素因数分解:

$2^2\times 7^3\times {\mathrm{9649}}^1$

素因数の和:9674

約数の個数: 24

約数和(自身を含む): 27020000

約数和(自身を除く): 13781572

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 9649, 19298, 38596, 67543, 135086, 270172, 472801, 945602, 1891204, 3309607, 6619214, 13238428]

約数ペア:

[(1, 13238428), (2, 6619214), (4, 3309607), (7, 1891204), (14, 945602), (28, 472801), (49, 270172), (98, 135086), (196, 67543), (343, 38596), (686, 19298), (1372, 9649)]